CN212463504U - 7.1 sound track bluetooth headset with headphone amplifier - Google Patents
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- CN212463504U CN212463504U CN202021413764.0U CN202021413764U CN212463504U CN 212463504 U CN212463504 U CN 212463504U CN 202021413764 U CN202021413764 U CN 202021413764U CN 212463504 U CN212463504 U CN 212463504U
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Abstract
A7.1 sound track Bluetooth headset with a headset amplifier comprises a headset support and earmuffs, wherein the headset support comprises a main support and two auxiliary supports arranged at two ends of the main support, a chip bin and a guide rail are arranged on the main support, the chip bin is arranged in the middle of the headset support, a Bluetooth module, a decoding module and an amplifier module are arranged in the chip bin, the Bluetooth module is used for receiving digital audio signals from audio source equipment, the decoding module is used for carrying out AC-3 decoding on the digital audio signals, and the amplifier module is used for converting the digital audio signals analyzed by the decoding module into analog signals and modulating the analog signals into electric signals for driving the Bluetooth headset; two equal symmetry is provided with sound producing unit in the ear muff, every set up 3 in the ear muff sound producing unit constitutes 7.1 sound channel system.
Description
Technical Field
The utility model relates to a high tone quality earphone technical field especially relates to a 7.1 sound channel bluetooth headset with headphone amplifier.
Background
The existing Bluetooth headset is limited by the volume of the headset and the capacity of a driving unit, only a moving coil or moving iron type sound production unit can be adopted, and the sound field and the sound image performance are poor; meanwhile, for a flat plate type or electrostatic sound generating unit with strong sound field and sound image expression, large driving power is needed, the requirement on front-end driving equipment is extremely high, and the sound generating quality can be ensured only by additionally arranging an ear amplifier (earphone amplifier). Therefore, it is a difficult problem in the technical field of high-quality earphones to provide high-quality auditory enjoyment and to enable users to get rid of the constraint of data transmission harnesses.
Thanks to the rapid development of the bluetooth technology and the high-capacity battery technology in recent years, a technical scheme for integrating a headset amplifier in a bluetooth headset becomes possible. The existing Bluetooth headset amplifier combines a Bluetooth transmission technology with a traditional headset amplifier, the existing Bluetooth headset amplifier is in wireless connection with sound source equipment through a Bluetooth module, digital signals decoded by the Bluetooth module are converted into analog signals to be provided for a DAC circuit, and the analog signals after modulation are input into a headset through a data transmission line by the DAC circuit, so that the limitation of the data line of the sound source equipment and the ear release equipment is liberated to a certain extent. However, this connection does not really get the high-quality headphones free from the connection cord.
Meanwhile, with the improvement of the life quality of people, the user also puts forward a new requirement on the environment stereophonic effect of the head-mounted audio output equipment. Existing multi-channel enabled Headphone or earphone devices employ virtual multi-channel Technology, such as VPT Technology (Virtualphones Technology) proposed by Sony corporation and Dolby Headphone Technology (Dolby Headphone) offered by Dolby laboratories. The former simulates the spatial sense of multi-channel surround sound by adding the difference information to the sound signal played by the earphone according to the slight difference of the sound in frequency and phase after the sound is reflected and absorbed by the external ear and the ear canal of the human body; the latter assigns respective source signal labels in a multi-channel sound environment to each channel through a dolby headphone processor and mixes the subwoofer signal in the right and left channels of a conventional headphone in an appropriate ratio to exhibit the spatial properties of the original audio. However, the implementation of virtual multi-channel technology is limited by the sound production capability of the headphone speaker and the simulation degree of the algorithm on the spatial attributes of the original audio, and the real environmental effect of the original audio cannot be truly reproduced.
SUMMERY OF THE UTILITY MODEL
In view of the above disadvantages in the prior art, the utility model provides a 7.1 sound channel bluetooth headset with a headset amplifier, which comprises a headset bracket and two ear muffs, wherein the headset bracket comprises a main bracket and two auxiliary brackets arranged at two ends of the main bracket, a chip bin and a guide rail are arranged on the main bracket, the auxiliary brackets are connected with the guide rail in a sliding manner, the number of the ear muffs is two, and the two ear muffs are respectively arranged at one end of the two auxiliary brackets different from the main bracket; the chip bin is arranged in the middle of the earphone bracket, a Bluetooth module, a decoding module and an amplifier module are arranged in the chip bin, and the Bluetooth module is used for receiving audio digital signals from sound source equipment; the decoding module is used for AC-3 decoding the digital signal; the amplifier module is used for converting the digital signal analyzed by the decoding module into an analog signal and modulating the analog signal into an electric signal for driving the Bluetooth headset; sound production units are symmetrically arranged in the two earmuffs, and 3 sound production units are arranged in each earmuff to form a 7.1 sound channel system; each earmuff is internally provided with 1 middle and low frequency sounding unit, and the middle and low frequency sounding units are arranged at the center of the earmuff; each earmuff is also internally provided with 1 front sounding unit and 1 rear sounding unit, and the front sounding unit and the rear sounding unit are symmetrically arranged on the front side and the rear side of the earmuff respectively by taking the middle-low frequency sounding unit as a center; the sound production unit is a miniature flat plate type vibration unit.
Preferably, the number of the amplifier modules is 2, and 2 of the amplifier modules respectively drive the sound generating units on two sides.
Preferably, a decoding module is further disposed in the chip bin, each amplifier module has 3 channels, and the decoding module is configured to perform AC-3 decoding on the digital signal and transmit the analyzed digital signal to a corresponding channel of the amplifier module; and each channel of the amplifier module respectively drives each corresponding sound production unit.
Preferably, the sound generating unit is a miniature flat plate type vibration unit with the volume not more than 1 cubic centimeter and the sensitivity more than 100 dB.
Preferably, when the sound channel information of the audio is not matched with the sound channel attribute of the bluetooth headset, the decoding module adjusts the sound production information of the audio into digital signals matched with the sound channel attribute of the bluetooth headset, and transmits the digital signals to corresponding channels of the amplifier module to finally drive corresponding sound production units.
Preferably, when the channel information of the audio is smaller than the number of channels of the bluetooth headset, the decoding module distributes the low-frequency sounding information of the audio to each corresponding channel of the amplifier module according to the channel to which the decoding module belongs and finally drives the corresponding low-frequency sounding unit; and the decoding module distributes the medium-frequency and high-frequency sounding information of the audio frequency to each corresponding channel of the amplifier module in a balanced manner according to the channel to which the decoding module belongs and finally drives each corresponding sounding unit.
Preferably, when the channel information of the audio is greater than the number of the channels of the bluetooth headset, the decoding module allocates the sounding information, which can be matched with the channels of the bluetooth headset, in the audio to each corresponding channel of the amplifier module according to the channel to which the audio belongs, and finally drives each corresponding sounding unit; the decoding module decomposes the sounding information which cannot be matched with the sound channel of the Bluetooth headset in the audio and distributes the sounding information to the channels on the same side of the amplifier module, and finally drives each corresponding sounding unit.
Drawings
Fig. 1 is the working principle diagram of the 7.1 sound track bluetooth headset with the headset amplifier of the utility model.
Fig. 2 is a schematic structural diagram of an embodiment of the 7.1 channel bluetooth headset with an earphone amplifier of the present invention.
Fig. 3 is a schematic view of a partial structure of an embodiment of the 7.1 channel bluetooth headset with an earphone amplifier of the present invention.
Fig. 4 is a schematic diagram of the audio channel and bluetooth headset channel data distribution of an embodiment of the 7.1 channel bluetooth headset with a headset amplifier of the present invention.
The system comprises a Bluetooth headset, a headset support, a main support, a secondary support, a guide rail, 120 earmuffs, a middle and low frequency sound generating unit, a front sound generating unit, a rear sound generating unit, a chip bin, a Bluetooth module 131, a decoding module 132 and an amplifier module 133, wherein the Bluetooth headset is 100-the headset support, the primary support is 111-the secondary support is 112-the guide rail is 113-the ear muffs; l1, L2, R1, R2-sound unit.
Detailed Description
In order to make high tone quality earphone really break away from the constraint of connecting wire, realize that the true sense of hearing of headphone equipment is experienced, the utility model discloses a 7.1 sound channel bluetooth headset with headphone amplifier realizes through following technical scheme:
example 1:
referring to fig. 1 to fig. 3, fig. 1 is a schematic diagram of a 7.1 channel bluetooth headset with a headset amplifier according to the present invention. Fig. 2 is a schematic structural diagram of an embodiment of the 7.1 channel bluetooth headset with an earphone amplifier of the present invention. Fig. 3 is a schematic view of a partial structure of an embodiment of the 7.1 channel bluetooth headset with an earphone amplifier of the present invention.
The embodiment provides a 7.1 channel bluetooth headset with a headset amplifier, which includes a headset bracket 110 and ear muffs 120, where the headset bracket 110 includes a main bracket 111 and two sub-brackets 112 disposed at two ends of the main bracket 111, the main bracket 111 is provided with a chip bin 130 and a guide rail 113, the sub-brackets 112 are slidably connected to the guide rail 113, the number of the ear muffs 120 is two, the two ear muffs are respectively disposed at one end of the two sub-brackets 112 different from the main bracket 111, sound generating units are symmetrically disposed in the two ear muffs 120, and 3 sound generating units are disposed in each ear muff 120, so as to form a 7.1 channel system; each earmuff is internally provided with 1 middle and low frequency sounding unit 121, and the middle and low frequency sounding units 121 are arranged at the center of the earmuff; each ear muff is internally provided with 1 front sound-emitting unit 122 and 1 rear sound-emitting unit 123, the front sound-emitting unit 122 and the rear sound-emitting unit 123 are respectively arranged at the front side and the rear side of the ear muff 120 by taking the middle-low frequency sound-emitting unit 121 as a center, and the sound-emitting units are miniature flat plate type vibration units.
The chip chamber 130 is disposed in the middle of the earphone holder 110, a bluetooth module 131, a decoding module 132 and an amplifier module 133 are disposed in the chip chamber 130, the bluetooth module 131 is configured to receive a digital audio signal from an audio source device, the decoding module 132 is configured to perform AC-3 decoding on the digital audio signal to serve as an input signal of a multi-channel surround sound system composed of a plurality of sound generating units, and the amplifier module 133 is configured to convert the digital audio signal acquired by the bluetooth module 131 or a signal input by the decoding module 132 into an analog signal and modulate the analog signal into an electrical signal for driving the bluetooth earphone 100.
A decoding module 132 is further disposed in the chip bin 130, each amplifier module 133 has 3 channels, and the decoding module 132 is configured to perform AC-3 decoding on the digital signal and transmit the analyzed digital signal to a corresponding channel of the amplifier module 133; each channel of the amplifier module 133 drives each corresponding sound unit.
In the embodiment, the earphone amplifier is integrated in the main support 111 of the bluetooth earphone 100, so that the traditional data transmission path and mode that the audio file is processed by the sound source device through the wired power amplifier and then transmitted to the bluetooth earphone through the bluetooth module to finally drive the sound production unit are changed, the data conversion and decoding processes are shortened, and the listening tone quality of the bluetooth earphone is improved in a leap manner while getting rid of a data line; meanwhile, the high-performance micro-volume miniature flat plate type vibration unit is adopted, so that a plurality of sound production units can be arranged in a wired space of an earmuff of the Bluetooth headset to form a multi-channel surround stereo system, and the ultra-low frequency sound production unit in the middle of the earmuff ensures the deep texture of heavy and low sound, so that a user can experience the auditory feast of a real stereo environment sound field at any time and any place only through the Bluetooth headset without a complex and expensive multi-channel sound system or a virtual multi-channel coding and decoding system.
Example 2:
please refer to fig. 4, wherein fig. 4 is a schematic diagram illustrating audio channel and bluetooth headset channel data allocation of an embodiment of a 7.1 channel bluetooth headset with a headset amplifier according to the present invention.
In the 7.1 channel bluetooth headset with a headset amplifier provided in this embodiment, when the channel information of the audio is smaller than the number of channels of the bluetooth headset 100, the decoding module 132 distributes the low-frequency sounding information of the audio to each corresponding channel of the amplifier module 133 according to the channel to which the audio belongs and finally drives the corresponding low-frequency sounding unit; the decoding module 132 distributes the mid-frequency and high-frequency sounding information of the audio to each corresponding channel of the amplifier module 133 according to the channel balance of the audio, and finally drives each corresponding sounding unit. When the channel information of the audio is greater than the number of channels of the bluetooth headset 100, the decoding module 132 distributes the sounding information, which can be matched with the channels of the bluetooth headset 100, in the audio to each corresponding channel of the amplifier module 133 according to the channel to which the audio belongs, and finally drives each corresponding sounding unit; the decoding module 132 decomposes the sound information that cannot be matched with the sound channel of the bluetooth headset 100 in the audio and distributes the decomposed sound information to the channels on the same side of the amplifier module 133, and finally drives the corresponding sound units
Specifically, for example, when the channel information of the audio is a binaural and the bluetooth headset 100 is a 7.1 channel system, the decoding module 132 extracts the low-frequency sounding information of the audio and distributes the low-frequency sounding information to the corresponding low-frequency channel of the amplifier module 133, and finally drives the corresponding low-frequency sounding unit; the decoding module 132 respectively distributes the sounding information of the audio to the left and right channels of the amplifier module 133 in an equalizing manner according to the left and right channels, and finally drives the corresponding sounding units.
It should be noted that the above is a detailed description of the present invention, and it should not be considered that the present invention is limited to the specific embodiments, and those skilled in the art can make various modifications and variations on the above embodiments without departing from the scope of the present invention.
Claims (7)
1. The utility model provides a 7.1 sound track bluetooth headset with headphone amplifier which characterized in that: the earphone comprises an earphone support and two earmuffs, wherein the earphone support comprises a main support and two auxiliary supports arranged at two ends of the main support, a chip bin and a guide rail are arranged on the main support, the auxiliary supports are connected with the guide rail in a sliding manner, and the two earmuffs are respectively arranged at one ends of the two auxiliary supports different from the main support;
the chip bin is arranged in the middle of the earphone bracket, a Bluetooth module, a decoding module and an amplifier module are arranged in the chip bin, and the Bluetooth module is used for receiving audio digital signals from sound source equipment; the decoding module is used for AC-3 decoding the digital signal; the amplifier module is used for converting the digital signal analyzed by the decoding module into an analog signal and modulating the analog signal into an electric signal for driving the Bluetooth headset;
sound production units are symmetrically arranged in the two earmuffs, and 3 sound production units are arranged in each earmuff to form a 7.1 sound channel system; each earmuff is internally provided with 1 middle and low frequency sounding unit, and the middle and low frequency sounding units are arranged at the center of the earmuff; each earmuff is also internally provided with 1 front sounding unit and 1 rear sounding unit, and the front sounding unit and the rear sounding unit are symmetrically arranged on the front side and the rear side of the earmuff respectively by taking the middle-low frequency sounding unit as a center;
the sound production unit is a miniature flat plate type vibration unit.
2. The 7.1 channel bluetooth headset with a headset amplifier according to claim 1, wherein the number of the amplifier modules is 2, and 2 amplifier modules respectively drive the sound emitting units at two sides.
3. The 7.1 channel bluetooth headset with a headset amplifier according to claim 2, wherein a decoding module is further disposed in the chip bin, each of the amplifier modules has 3 channels, and the decoding module is configured to AC-3 decode the digital signal and transmit the parsed digital signal to the corresponding channel of the amplifier module; and each channel of the amplifier module respectively drives each corresponding sound production unit.
4. The 7.1 channel Bluetooth headset with a headphone amplifier as claimed in claim 3, wherein the sound generating unit is a miniature flat panel vibration unit with a volume of no more than 1 cubic centimeter and a sensitivity of greater than 100 dB.
5. The 7.1 channel bluetooth headset with a headset amplifier according to claim 3, wherein when the channel information of the audio does not match the channel attribute of the bluetooth headset, the decoding module adjusts the sound emission information of the audio into digital signals matching the channel attribute of the bluetooth headset, and transmits the digital signals to corresponding channels of the amplifier module to finally drive corresponding sound emission units.
6. The 7.1 channel bluetooth headset with a headset amplifier according to claim 5, wherein when the channel information of the audio is smaller than the number of channels of the bluetooth headset, the decoding module distributes the low-frequency sounding information of the audio to each corresponding channel of the amplifier module according to the channel to which the audio belongs and finally drives the corresponding low-frequency sounding unit; and the decoding module distributes the medium-frequency and high-frequency sounding information of the audio frequency to each corresponding channel of the amplifier module in a balanced manner according to the channel to which the decoding module belongs and finally drives each corresponding sounding unit.
7. The 7.1 channel bluetooth headset with a headset amplifier according to claim 5, wherein when the channel information of the audio is greater than the number of channels of the bluetooth headset, the decoding module distributes the sounding information, which can be matched with the channel of the bluetooth headset, in the audio to each corresponding channel of the amplifier module according to the channel to which the audio belongs and finally drives each corresponding sounding unit; the decoding module decomposes the sounding information which cannot be matched with the sound channel of the Bluetooth headset in the audio and distributes the sounding information to the channels on the same side of the amplifier module, and finally drives each corresponding sounding unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021413764.0U CN212463504U (en) | 2020-07-17 | 2020-07-17 | 7.1 sound track bluetooth headset with headphone amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021413764.0U CN212463504U (en) | 2020-07-17 | 2020-07-17 | 7.1 sound track bluetooth headset with headphone amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212463504U true CN212463504U (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021413764.0U Active CN212463504U (en) | 2020-07-17 | 2020-07-17 | 7.1 sound track bluetooth headset with headphone amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212463504U (en) |
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2020
- 2020-07-17 CN CN202021413764.0U patent/CN212463504U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: No. 2001, Yingbin West Road, Bacheng Town, Kunshan City, Suzhou City, Jiangsu Province, 215311 Patentee after: Kunshan Haifeiman Technology Group Co.,Ltd. Address before: 2 / F, North building, 1339 Shuixiu Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province Patentee before: HEAD-DIRECT (KUNSHAN) Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 215300 No. 2001 Yingbin West Road, Bacheng Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: Kunshan Haifeiman Technology Group Co.,Ltd. Address before: No. 2001, Yingbin West Road, Bacheng Town, Kunshan City, Suzhou City, Jiangsu Province, 215311 Patentee before: Kunshan Haifeiman Technology Group Co.,Ltd. |